[특허]Self righting drinking cup with twist on base

Self righting drinking cup with twist on base 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47G-019/22
출원번호	US-0007166 (1993-01-21)
발명자 / 주소	Boucher Richard A. (Ashburnham MA)
출원인 / 주소	Sanitoy, Inc. (Fitchburg MA 02)
인용정보	피인용 횟수 : 54 인용 특허 : 0

초록 ▼

According to the invention there is drinking cup having a flat bottom and two large diametrically opposed handles. A removable lid with a drinking spout and an air vent is provided to prevent spillage. A separate weighted convex base is attached to the base of the cup to automatically right the cup under the force of gravity. The bottom of the cup and the top of the base are provided with a circular groove and a mating circular ridge. The ridge and the groove positively engaged to align the base horizontally in place on the bottom of the cup while permitting rotation of the base relative to the cup. Two diametrically opposed generally C-shaped clips are located on the edge of the base and extend upwards from the edge of the base and face in opposite directions in order to engaged the handles on the cup upon rotation of the base.

대표청구항 ▼

A self righting drinking cup comprising: a hollow cup container having a substantially cylindrical vertical sidewall, a substantially planar horizontal bottom wall enclosing the bottom of said cup container, said bottom wall having a substantially planar lower surface, a weighted base member having an upper surface, a rounded convex outer surface that tapers from said upper surface to a planar circular horizontal bottom surface upon which the cup stands when placed upon a flat surface, said convex outer surface and said bottom surface are concentric to a vertical axis which passes through the center of said cup, at least one arcuate ridge concentric to said vertical axis and a circular groove concentric to said vertical axis, one of said ridge and said groove being on said lower surface of said cup container and the other of said ridge and said groove being on said upper surface of said base member, and said ridge and said groove being sized such that said ridge is received in said groove in a closely mating and rotatably sliding fashion in order to align said base member horizontally in place on said cup container, two arcuate-shaped handles extending radially out from diametrically opposite sides of the sidewall of said cup container, said handles being substantially vertical and attached to said sidewall adjacent the top and bottom edges of the sidewall, two resilient C-shaped clips extending upwards from diametrically opposite edges of said upper surface of said base member and extending along the sidewalls of said cup container, said C-shaped clips forming openings therein, said openings facing in the same circumferential direction around said base member and being sized to resiliently receive the lower ends of said handles upon rotation of said base member in order to secure said base member vertically and rotationally in relation to said cup container.

이 특허를 인용한 특허 (54)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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Self righting drinking cup with twist on base 원문보기

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Self righting drinking cup with twist on base 원문보기

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이 특허를 인용한 특허 (54)

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